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A123157
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Sum of digits of the squares of prime numbers.
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12
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4, 9, 7, 13, 4, 16, 19, 10, 16, 13, 16, 19, 16, 22, 13, 19, 16, 13, 25, 10, 19, 13, 31, 19, 22, 4, 16, 19, 19, 25, 19, 16, 31, 16, 7, 13, 25, 28, 34, 31, 10, 19, 22, 25, 28, 19, 16, 31, 22, 16, 28, 16, 22, 10, 25, 31, 19, 19, 31, 31, 25, 34, 28, 25, 40, 22, 22, 25, 16, 13, 22, 28
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OFFSET
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1,1
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LINKS
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MAPLE
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read("transforms"):
digsum(ithprime(n)^2) ;
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MATHEMATICA
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Total[IntegerDigits[#]]&/@(Prime[Range[80]]^2) (* Harvey P. Dale, Nov 04 2012 *)
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PROG
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(PARI) for(n=1, 100, dp2=eval(Vec(Str(prime(n)^2))); print1(sum(i=1, length(dp2), dp2[i]), ", "))
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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Herman Jamke (hermanjamke(AT)fastmail.fm), Oct 01 2006
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STATUS
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approved
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